CK-12 Physical Science - For Middle School

6.1. How Elements Are Organized http://www.ck12.org 6.1 How Elements Are Organized Lesson Objectives Describe Mendeleev’s perio ...

http://www.ck12.org Chapter 6. Periodic Table Mendeleev’s Periodic Table of the Elements Mendeleev was a teacher as well as a ch ...

6.1. How Elements Are Organized http://www.ck12.org Predicting Missing Elements Did you notice the blanks in Mendeleev’s table ( ...

http://www.ck12.org Chapter 6. Periodic Table FIGURE 6.3 The modern periodic table of the elements is a lot like Mendeleev’s tab ...

6.1. How Elements Are Organized http://www.ck12.org FIGURE 6.4 Like other periods, period 4 changes from metals on the left to m ...

http://www.ck12.org Chapter 6. Periodic Table Do you know some examples of metals? How do you think metals might differ from th ...

6.2. Classes of Elements http://www.ck12.org 6.2 Classes of Elements Lesson Objectives Identify properties of metals. List prop ...

http://www.ck12.org Chapter 6. Periodic Table FIGURE 6.5 The three properties described here characterize most metals. Metals ha ...

6.2. Classes of Elements http://www.ck12.org FIGURE 6.6 Unlike metals, solid nonmetals are dull and brittle. Metalloids Metalloi ...

http://www.ck12.org Chapter 6. Periodic Table FIGURE 6.7 Metalloids share properties with both metals and nonmetals. Valence Ele ...

6.2. Classes of Elements http://www.ck12.org TABLE6.1:(continued) Element Description Lithium Lithium (Li) is a highly reactive ...

http://www.ck12.org Chapter 6. Periodic Table FIGURE 6.8 The number of electrons increases from left to right across each period ...

6.2. Classes of Elements http://www.ck12.org Lesson Review Questions Recall What are metals? Name one example. Define nonmetal, ...

http://www.ck12.org Chapter 6. Periodic Table 6.3 Groups of Elements Lesson Objectives Identify hydrogen and alkali metals. Des ...

6.3. Groups of Elements http://www.ck12.org MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/re ...

http://www.ck12.org Chapter 6. Periodic Table FIGURE 6.10 The alkaline Earth metals make up group 2 of the periodic table. FIGUR ...

6.3. Groups of Elements http://www.ck12.org FIGURE 6.12 These groups each contain one or more metalloids. temperature. Group 14 ...

http://www.ck12.org Chapter 6. Periodic Table reactive. Oxygen (O), for example, readily reacts with metals to form compounds su ...

6.3. Groups of Elements http://www.ck12.org FIGURE 6.13 Group 17 consists of the nonmetals called halogens. Apply Concepts Assu ...

http://www.ck12.org Chapter 6. Periodic Table FIGURE 6.14 Noble gases include helium and argon. Think Critically Both hydrogen ...